# Positron Alarme vs ShiftPower

The clearest difference is ads: Positron Alarme at none against ShiftPower's shown. Positron Alarme also leads on monetization model (free vs ad-supported). ShiftPower's advantage is update cadence (every 2 weeks vs every 40 months) and review sentiment (71% vs 49%). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Positron Alarme ships an update every 40 months, ShiftPower every 2 weeks. The most recent releases landed on June 8, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Positron Alarme | ShiftPower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (316 ratings)](https://appshunter.io/ios/app/shiftpower/id1473662284/reviews)** |
| Number of ratings | — | **316** |
| Positive reviews | 48.9% of reviews | **71.4% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 40 months | **Every 2 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 29 MB | 109 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | +4 |
| Developer | [PST Eletronica SA](https://appshunter.io/developer/447793762) | [Faaftech Tecnologia Ltda](https://appshunter.io/developer/1473662283) |

## What reviewers say

### Positron Alarme

[App page](https://appshunter.io/ios/app/positron-alarme/id1236177741)

Control and configure your car alarm directly from your smartphone. Lock, unlock, and manage various alarm settings for enhanced convenience and security. Requires a compatible Pósitron alarm system.

**Highlights:** Lock and unlock car alarm, Silent beep mode, Change alarm beep sound, Control auxiliary lights, Open trunk or power windows

**Features:** macOS Compatibility

**In-app purchases:** none


### ShiftPower

[App page](https://appshunter.io/ios/app/shiftpower/id1473662284)

Enhance your driving experience with customizable acceleration modes for sportier and safer performance. Control your vehicle's safety with dedicated Lock and Valet modes, offering over 300 acceleration response maps for a personalized feel.

**Highlights:** Four customizable driving modes, Lock and Valet safety modes, Over 300 acceleration response maps, Sportier and safer overtaking, Plug-and-Play installation

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Positron Alarme free?

Positron Alarme is free to download, with no in-app purchases.

### Is ShiftPower free?

ShiftPower is free to download, with no in-app purchases.

### Do Positron Alarme or ShiftPower have ads?

ShiftPower shows ads; Positron Alarme does not.

### Which is updated more often, Positron Alarme or ShiftPower?

Positron Alarme ships an update every 40 months, and ShiftPower every 2 weeks. Most recently, Positron Alarme was updated on June 8, 2026 and ShiftPower on September 22, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*